AVAILABLE: Pre-'81 Factory Tach complete cluster

mtbadbob · Jun 18, 2022

I found a complete factory tach cluster out of a '77 or '78 Blazer in nice condition at my local honey hole. He's asking $125 for the complete cluster. Lmk if anyone is interested, I can go grab it!

Vbb199 · Jun 18, 2022

Wondering if that would fit in my 79' c10 with minimal fuss ? I'd be interested if so

Turbo4whl · Jun 18, 2022

Vbb199 said:
Wondering if that would fit in my 79' c10 with minimal fuss ? I'd be interested if so

Yes it will. You need to trace the printed circuit on your cluster and move a couple wires in the plug to match the new cluster. The tach has it's own separate plug that you can do with spade connectors, Pos. Neg. and tach signal.

The fuel gauge will work, but if the resistor on the back of your gauge is different than the blazer's that needs to be swapped. (factory resistors are different colors for different values)

Vbb199 · Jun 18, 2022

Turbo4whl said:
Yes it will. You need to trace the printed circuit on your cluster and move a couple wires in the plug to match the new cluster. The tach has it's own separate plug that you can do with spade connectors, Pos. Neg. and tach signal.

The fuel gauge will work, but if the resistor on the back of your gauge is different than the blazer's that needs to be swapped. (factory resistors are different colors for different values)

I know in the past, I've had issues putting a truck cluster in a k5 without some dash frame trimming, so I didn't know if it was the other way around, as well

Sweet. I'll think on that one.

bucket · Jun 18, 2022

'77 will have a mechanical oil pressure gauge, '78 will be electric.

tobiahr · Jun 20, 2022

If you haven't already please grab it. I am interested.

mtbadbob · Jun 20, 2022

tobiahr said:
If you haven't already please grab it. I am interested.

Ok, is there anything else you might need to make it work? I could see what all that Blazer has, like tach filter??

Camar068 · Jun 20, 2022

tobiahr said:
If you haven't already please grab it. I am interested.

danmn it!!

73454GMC · Jun 21, 2022

If tobiahr deal doesn't work I'll take it.

tobiahr · Jun 21, 2022

mtbadbob said:
Ok, is there anything else you might need to make it work? I could see what all that Blazer has, like tach filter??

There shouldn't be anything else needed just the cluster. and I am not sure why but i am not getting notifications when this thread is updated

mtbadbob · Jun 23, 2022

tobiahr said:
There shouldn't be anything else needed just the cluster. and I am not sure why but i am not getting notifications when this thread is updated

The gauges have nice color for being 45 years old! The oil press is a manual gauge

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tobiahr · Jun 23, 2022

Thank you for getting this and it was awesome that you thought of the forum and shared.

Soundmound · Jun 23, 2022

Nice score! I'll take one for an '84 non-tach(or with to be honest) unleaded please. LOL

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tobiahr · Jun 23, 2022

Soundmound said:
Nice score! I'll take one for an '84 non-tach(or with to be honest) unleaded please. LOL

I should have a stock one w/o tach from a 81 with a working clock in the bottom left position.

Soundmound · Jun 23, 2022

tobiahr said:
I should have a stock one w/o tach from a 81 with a working clock in the bottom left position.

I'd have a look. Seems rebuilding mine is tough with availability on some of the re-pop parts.

AVAILABLE: Pre-'81 Factory Tach complete cluster

mtbadbob

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Vbb199

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